/* ===== Base & Reset ===== */
:root {
    --primary: #0D47A1;
    --primary-light: #1E88E5;
    --primary-dark: #082e6b;
    --secondary: #4CAF50;
    --secondary-light: #81C784;
    --accent: #00BCD4;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --text: #334155;
    --text-light: #475569;
    --gray: #f1f5f9;
    --gray-dark: #e2e8f0;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
    --container: 1280px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', 'Inter', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-dark {
    background: var(--dark);
    color: var(--white);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
    color: var(--white);
}

.section-header {
    max-width: 800px;
    margin: 0 auto 64px;
    text-align: center;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-light);
}

.section-header.light p {
    color: rgba(255, 255, 255, 0.75);
}

.section-tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(13, 71, 161, 0.08);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-dark .section-tag {
    background: rgba(255, 255, 255, 0.1);
    color: var(--secondary-light);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-white {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

.btn-white:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.6);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 48px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-text strong {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    color: var(--primary);
    letter-spacing: 0.5px;
}

.logo-text small {
    font-size: 0.7rem;
    color: var(--text-light);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.main-nav ul {
    display: flex;
    gap: 24px;
}

.main-nav a {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text);
    position: relative;
    padding: 8px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.main-nav a:hover {
    color: var(--primary);
}

.main-nav a:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Language Switcher */
.language-switcher {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--gray);
    border: 1px solid var(--gray-dark);
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn:hover {
    background: var(--gray-dark);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    overflow: hidden;
    border: 1px solid var(--gray-dark);
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown button {
    display: block;
    width: 100%;
    padding: 12px 16px;
    background: none;
    border: none;
    text-align: left;
    font-size: 0.9rem;
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
}

.lang-dropdown button:hover {
    background: var(--gray);
    color: var(--primary);
}

.lang-dropdown button.active {
    color: var(--primary);
    font-weight: 600;
    background: rgba(13, 71, 161, 0.05);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 35%;
    animation: heroZoom 20s ease-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.08); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 90% 70% at center, rgba(8, 46, 107, 0.90) 0%, rgba(15, 23, 42, 0.88) 45%, rgba(15, 23, 42, 0.82) 100%);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 0;
}

.hero-badge {
    display: inline-block;
    padding: 10px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(8px);
    color: rgba(255, 255, 255, 0.95);
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -1px;
    line-height: 1.1;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 0, 0, 0.4);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6), 0 0 12px rgba(0, 0, 0, 0.3);
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 80px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding-top: 48px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    margin-bottom: 8px;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* ===== About Section ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-float-card {
    position: absolute;
    bottom: 32px;
    right: 32px;
    background: var(--white);
    padding: 24px 32px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.float-number {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
}

.float-text {
    font-size: 0.9rem;
    color: var(--text-light);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.feature {
    display: flex;
    gap: 20px;
}

.feature-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: rgba(13, 71, 161, 0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.feature h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.feature p {
    color: var(--text-light);
}

/* ===== Strengths Section ===== */
.strengths-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.strength-card {
    background: var(--dark-light);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.strength-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-light), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.strength-card:hover {
    transform: translateY(-8px);
    background: rgba(30, 41, 59, 0.9);
}

.strength-card:hover::before {
    transform: scaleX(1);
}

.strength-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.08);
    line-height: 1;
    margin-bottom: 16px;
}

.strength-card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
    color: var(--white);
}

.strength-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* ===== Products Section ===== */
.products {
    background: var(--gray);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    height: 260px;
    padding: 24px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-info {
    padding: 28px;
}

.product-info h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.product-info p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 14px;
}

.product-sizes {
    display: block;
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
}

/* ===== Capabilities Section ===== */
.capabilities-content {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.capability-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.capability-block.reverse {
    direction: rtl;
}

.capability-block.reverse > * {
    direction: ltr;
}

.capability-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.capability-text p {
    color: var(--text-light);
    margin-bottom: 24px;
    font-size: 1.05rem;
}

.capability-text ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.capability-text li {
    position: relative;
    padding-left: 28px;
    color: var(--text);
    font-weight: 500;
}

.capability-text li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
}

.capability-image {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.capability-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* ===== Quality Section ===== */
.quality {
    background: var(--white);
}

.quality-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.quality-content h2 {
    font-size: 2.5rem;
    margin: 16px 0 24px;
}

.quality-content > p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.quality-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.quality-feature {
    display: flex;
    gap: 16px;
}

.quality-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
}

.quality-feature h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.quality-feature p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.quality-visual {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.quality-image-main {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.quality-image-main img {
    width: 100%;
    height: 360px;
    object-fit: cover;
}

.certificates-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.certificates-row img {
    width: 100%;
    height: 140px;
    object-fit: contain;
    background: var(--white);
    padding: 12px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
}

/* ===== Global Section ===== */
.global-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 64px;
}

.global-stat {
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
}

.global-number {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}

.global-label {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1rem;
}

.partners-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.partner-logo {
    padding: 16px 28px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.partner-logo:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
}

/* ===== Videos Section ===== */
.videos {
    background: var(--gray);
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.video-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
    cursor: pointer;
}

.video-wrapper.no-thumb::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
    z-index: 1;
}

.video-thumb {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 2;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.video-play-btn svg {
    margin-left: 4px;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

.video-wrapper:hover .video-play-btn {
    background: rgba(255, 255, 255, 1);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-wrapper:hover .video-thumb {
    opacity: 0.85;
}

.video-wrapper.active .video-thumb,
.video-wrapper.active .video-play-btn {
    display: none;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    z-index: 3;
}

.video-card h4 {
    padding: 20px 24px 4px;
    font-size: 1.1rem;
    color: var(--dark);
}

.video-yt-link {
    display: inline-block;
    padding: 0 24px 20px;
    font-size: 0.9rem;
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.video-yt-link:hover {
    color: var(--accent);
    text-decoration: underline;
}

/* ===== Contact Section ===== */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin: 16px 0 24px;
}

.contact-info > p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(13, 71, 161, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.contact-item span {
    display: block;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 4px;
}

.contact-item a,
.contact-item p {
    color: var(--dark);
    font-weight: 600;
}

.contact-item a:hover {
    color: var(--primary);
}

.contact-form-wrapper {
    background: var(--gray);
    padding: 48px;
    border-radius: var(--radius);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 1px solid var(--gray-dark);
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    background: var(--white);
    color: var(--text);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 64px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer .logo-text strong {
    color: var(--white);
}

.footer .logo-text small {
    color: rgba(255, 255, 255, 0.6);
}

.footer-brand p {
    margin-top: 24px;
    line-height: 1.7;
}

.footer h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.footer ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer a {
    color: rgba(255, 255, 255, 0.7);
}

.footer a:hover {
    color: var(--white);
}

.footer-contact p {
    margin-bottom: 12px;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ===== RTL Support ===== */
[dir="rtl"] .main-nav ul,
[dir="rtl"] .hero-actions,
[dir="rtl"] .header-actions,
[dir="rtl"] .feature,
[dir="rtl"] .quality-feature,
[dir="rtl"] .contact-item,
[dir="rtl"] .about-float-card {
    direction: rtl;
}

[dir="rtl"] .lang-dropdown {
    right: auto;
    left: 0;
}

[dir="rtl"] .capability-text li {
    padding-left: 0;
    padding-right: 28px;
}

[dir="rtl"] .capability-text li::before {
    left: auto;
    right: 0;
}

/* ===== Floating WhatsApp Button ===== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 998;
    transition: all 0.3s ease;
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background: #1eb558;
}

@keyframes whatsapp-pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 12px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ===== Responsive Design ===== */
@media (max-width: 992px) {
    .main-nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--white);
        display: flex;
        align-items: flex-start;
        justify-content: center;
        padding-top: 40px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        z-index: 999;
    }
    
    .main-nav.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    
    .main-nav a {
        font-size: 1.25rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .header-actions .btn-primary {
        display: none;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 992px) {
    .section {
        padding: 72px 0;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .about-grid,
    .quality-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-image img {
        height: 360px;
    }
    
    .strengths-grid,
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .capability-block,
    .capability-block.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    
    .capability-block.reverse > * {
        direction: ltr;
    }
    
    .capability-image {
        order: -1;
    }
    
    .capability-image img {
        height: 300px;
    }
    
    .global-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px 16px;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .strengths-grid,
    .products-grid,
    .videos-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .certificates-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .logo img {
        height: 40px;
    }
    
    .logo-text strong {
        font-size: 0.95rem;
    }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content > * {
    animation: fadeInUp 0.8s ease forwards;
}

.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.2s; }
.hero-content > *:nth-child(3) { animation-delay: 0.3s; }
.hero-content > *:nth-child(4) { animation-delay: 0.4s; }
.hero-content > *:nth-child(5) { animation-delay: 0.5s; }

/* ===== Utility ===== */
.text-center { text-align: center; }
.mt-4 { margin-top: 24px; }
.mb-4 { margin-bottom: 24px; }